Thank you DEF. The problem was solved by removing pix_fmt based on Dennis's recommendation.
On Sat, Jul 9, 2022 at 5:45 PM DEF <shaker....@gmail.com> wrote: > On Sat, 9 Jul 2022 at 08:25, Ben Parham <behfart...@gmail.com> wrote: > > > > Hello, > > > > I try to use Nvidia codecs in live transcoding. The input stream is from > an > > IP camera (Hikvision) and its color format is "*yuvj420p*". My command > is: > > > > ffmpeg.exe -y -hwaccel cuda -hwaccel_output_format cuda -rtsp_transport > tcp > > -i "rtsp://admin:Pass1@192.168.1.1" -flags +low_delay -vcodec hevc_nvenc > > -s 1920x1080 -preset p2 -pix_fmt yuv420p -tune hq -rc vbr -vb 700k > -maxrate > > 800k -minrate 200k -bufsize 800k -g 25 -acodec copy -strict -2 -flags > > +global_header -f rtsp "rtsp://localhost:8000/stream" > > Check out documenation at > > https://docs.nvidia.com/video-technologies/video-codec-sdk/ffmpeg-with-nvidia-gpu/ > > Use -vsync 0 option with decode to prevent FFmpeg from creating output > YUV with duplicate and extra frames. > This seems to be the commonest runtime issue. > > Try > ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda > rtsp_transport tcp -i "rtsp://admin:Pass1@192.168.1.1" -flags > +low_delay -vcodec hevc_nvenc -vf scale_cuda=1920:1080 -preset p2 > -pix_fmt yuv420p -tune hq -rc vbr -vb 700k -maxrate 800k -minrate > 200k -bufsize 800k -g 25 -acodec copy -strict -2 -flags +global_header > -f rtsp "rtsp://localhost:8000/stream" > > > Def > > > > > > but I am faced with this error: > > Impossible to convert between the formats supported by the filter > > 'Parsed_null_0' and the filter 'auto_scale_0' > > Error reinitializing filters! > > Failed to inject frame into filter network: Function not implemented > > Error while processing the decoded data for stream #0:0 > > Conversion failed! > > > > if I remove "-hwaccel_output_format cuda", the transcoding starts, but > the > > decoded stream is sent to system memory. I prefer to keep it in GPU > > memory to decrease the latency. > > What should I do to fix this? > > I would appreciate any help. > > > > Regards, > > Ben. > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".